#include<stdio.h>
#include"add.h"
#include"sub.h"

int main()
{
    int a=0,b=0;
    scanf("%d %d",&a,&b);
    printf("%d+%d=%d\n",a,b,add(a,b));
    printf("%d-%d=%d\n",a,b,sub(a,b));
    
    return 0;
}